Pancreatic acinar cells secrete pancreatic juice.
Answer the following statement true (T) or false (F)
True
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Tissue hypoxia is caused by all of the following causes except:
A. anemia B. CO poisoning C. cyanide poisoning D. shock E. pneumonia
Color blindness is tested using ________
A) Ishihara plates B) a chart of lines radiating out from a white circle C) a Snellen eye chart D) sudden illumination of the retina
The osteoclasts' two jobs are to tear down bone material and help move calcium and phosphate into the blood.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. The periosteum is a tissue that serves only to protect the bone because it is not supplied with nerves or blood vessels. 2. Short, irregular, and flat bones have large marrow cavities in order to keep the weight of the bones light. 3. The structural unit of compact bone (osteon) resembles the growth rings of a tree trunk. 4. The term osteoid refers to the organic part of the matrix of compact bones. 5. Sixty-five percent of the mass of bone is a compound called hydroxyapatite.